
(FPCore (x y) :precision binary64 (/ (* (- 1.0 x) (- 3.0 x)) (* y 3.0)))
double code(double x, double y) {
return ((1.0 - x) * (3.0 - x)) / (y * 3.0);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = ((1.0d0 - x) * (3.0d0 - x)) / (y * 3.0d0)
end function
public static double code(double x, double y) {
return ((1.0 - x) * (3.0 - x)) / (y * 3.0);
}
def code(x, y): return ((1.0 - x) * (3.0 - x)) / (y * 3.0)
function code(x, y) return Float64(Float64(Float64(1.0 - x) * Float64(3.0 - x)) / Float64(y * 3.0)) end
function tmp = code(x, y) tmp = ((1.0 - x) * (3.0 - x)) / (y * 3.0); end
code[x_, y_] := N[(N[(N[(1.0 - x), $MachinePrecision] * N[(3.0 - x), $MachinePrecision]), $MachinePrecision] / N[(y * 3.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 10 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y) :precision binary64 (/ (* (- 1.0 x) (- 3.0 x)) (* y 3.0)))
double code(double x, double y) {
return ((1.0 - x) * (3.0 - x)) / (y * 3.0);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = ((1.0d0 - x) * (3.0d0 - x)) / (y * 3.0d0)
end function
public static double code(double x, double y) {
return ((1.0 - x) * (3.0 - x)) / (y * 3.0);
}
def code(x, y): return ((1.0 - x) * (3.0 - x)) / (y * 3.0)
function code(x, y) return Float64(Float64(Float64(1.0 - x) * Float64(3.0 - x)) / Float64(y * 3.0)) end
function tmp = code(x, y) tmp = ((1.0 - x) * (3.0 - x)) / (y * 3.0); end
code[x_, y_] := N[(N[(N[(1.0 - x), $MachinePrecision] * N[(3.0 - x), $MachinePrecision]), $MachinePrecision] / N[(y * 3.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\left(1 - x\right) \cdot \left(3 - x\right)}{y \cdot 3}
\end{array}
(FPCore (x y) :precision binary64 (* (- 1.0 x) (/ (- 3.0 x) (* 3.0 y))))
double code(double x, double y) {
return (1.0 - x) * ((3.0 - x) / (3.0 * y));
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = (1.0d0 - x) * ((3.0d0 - x) / (3.0d0 * y))
end function
public static double code(double x, double y) {
return (1.0 - x) * ((3.0 - x) / (3.0 * y));
}
def code(x, y): return (1.0 - x) * ((3.0 - x) / (3.0 * y))
function code(x, y) return Float64(Float64(1.0 - x) * Float64(Float64(3.0 - x) / Float64(3.0 * y))) end
function tmp = code(x, y) tmp = (1.0 - x) * ((3.0 - x) / (3.0 * y)); end
code[x_, y_] := N[(N[(1.0 - x), $MachinePrecision] * N[(N[(3.0 - x), $MachinePrecision] / N[(3.0 * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(1 - x\right) \cdot \frac{3 - x}{3 \cdot y}
\end{array}
Initial program 96.5%
associate-/l*99.6%
*-commutative99.6%
Simplified99.6%
(FPCore (x y) :precision binary64 (if (or (<= x -2.3) (not (<= x 1.3))) (* -0.3333333333333333 (* (- 3.0 x) (/ x y))) (+ (* -1.3333333333333333 (/ x y)) (/ 1.0 y))))
double code(double x, double y) {
double tmp;
if ((x <= -2.3) || !(x <= 1.3)) {
tmp = -0.3333333333333333 * ((3.0 - x) * (x / y));
} else {
tmp = (-1.3333333333333333 * (x / y)) + (1.0 / y);
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if ((x <= (-2.3d0)) .or. (.not. (x <= 1.3d0))) then
tmp = (-0.3333333333333333d0) * ((3.0d0 - x) * (x / y))
else
tmp = ((-1.3333333333333333d0) * (x / y)) + (1.0d0 / y)
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if ((x <= -2.3) || !(x <= 1.3)) {
tmp = -0.3333333333333333 * ((3.0 - x) * (x / y));
} else {
tmp = (-1.3333333333333333 * (x / y)) + (1.0 / y);
}
return tmp;
}
def code(x, y): tmp = 0 if (x <= -2.3) or not (x <= 1.3): tmp = -0.3333333333333333 * ((3.0 - x) * (x / y)) else: tmp = (-1.3333333333333333 * (x / y)) + (1.0 / y) return tmp
function code(x, y) tmp = 0.0 if ((x <= -2.3) || !(x <= 1.3)) tmp = Float64(-0.3333333333333333 * Float64(Float64(3.0 - x) * Float64(x / y))); else tmp = Float64(Float64(-1.3333333333333333 * Float64(x / y)) + Float64(1.0 / y)); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if ((x <= -2.3) || ~((x <= 1.3))) tmp = -0.3333333333333333 * ((3.0 - x) * (x / y)); else tmp = (-1.3333333333333333 * (x / y)) + (1.0 / y); end tmp_2 = tmp; end
code[x_, y_] := If[Or[LessEqual[x, -2.3], N[Not[LessEqual[x, 1.3]], $MachinePrecision]], N[(-0.3333333333333333 * N[(N[(3.0 - x), $MachinePrecision] * N[(x / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(-1.3333333333333333 * N[(x / y), $MachinePrecision]), $MachinePrecision] + N[(1.0 / y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.3 \lor \neg \left(x \leq 1.3\right):\\
\;\;\;\;-0.3333333333333333 \cdot \left(\left(3 - x\right) \cdot \frac{x}{y}\right)\\
\mathbf{else}:\\
\;\;\;\;-1.3333333333333333 \cdot \frac{x}{y} + \frac{1}{y}\\
\end{array}
\end{array}
if x < -2.2999999999999998 or 1.30000000000000004 < x Initial program 92.5%
associate-/l*99.7%
*-commutative99.7%
Simplified99.7%
Taylor expanded in x around inf 97.7%
neg-mul-197.7%
Simplified97.7%
Taylor expanded in y around 0 90.3%
associate-*r/90.5%
Simplified90.5%
associate-/l*90.3%
*-commutative90.3%
*-commutative90.3%
associate-/l*97.6%
Applied egg-rr97.6%
if -2.2999999999999998 < x < 1.30000000000000004Initial program 99.6%
Taylor expanded in x around 0 99.3%
Final simplification98.5%
(FPCore (x y) :precision binary64 (if (or (<= x -0.78) (not (<= x 1.0))) (* -0.3333333333333333 (* (- 3.0 x) (/ x y))) (/ 1.0 y)))
double code(double x, double y) {
double tmp;
if ((x <= -0.78) || !(x <= 1.0)) {
tmp = -0.3333333333333333 * ((3.0 - x) * (x / y));
} else {
tmp = 1.0 / y;
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if ((x <= (-0.78d0)) .or. (.not. (x <= 1.0d0))) then
tmp = (-0.3333333333333333d0) * ((3.0d0 - x) * (x / y))
else
tmp = 1.0d0 / y
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if ((x <= -0.78) || !(x <= 1.0)) {
tmp = -0.3333333333333333 * ((3.0 - x) * (x / y));
} else {
tmp = 1.0 / y;
}
return tmp;
}
def code(x, y): tmp = 0 if (x <= -0.78) or not (x <= 1.0): tmp = -0.3333333333333333 * ((3.0 - x) * (x / y)) else: tmp = 1.0 / y return tmp
function code(x, y) tmp = 0.0 if ((x <= -0.78) || !(x <= 1.0)) tmp = Float64(-0.3333333333333333 * Float64(Float64(3.0 - x) * Float64(x / y))); else tmp = Float64(1.0 / y); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if ((x <= -0.78) || ~((x <= 1.0))) tmp = -0.3333333333333333 * ((3.0 - x) * (x / y)); else tmp = 1.0 / y; end tmp_2 = tmp; end
code[x_, y_] := If[Or[LessEqual[x, -0.78], N[Not[LessEqual[x, 1.0]], $MachinePrecision]], N[(-0.3333333333333333 * N[(N[(3.0 - x), $MachinePrecision] * N[(x / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(1.0 / y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -0.78 \lor \neg \left(x \leq 1\right):\\
\;\;\;\;-0.3333333333333333 \cdot \left(\left(3 - x\right) \cdot \frac{x}{y}\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{y}\\
\end{array}
\end{array}
if x < -0.78000000000000003 or 1 < x Initial program 92.5%
associate-/l*99.7%
*-commutative99.7%
Simplified99.7%
Taylor expanded in x around inf 97.7%
neg-mul-197.7%
Simplified97.7%
Taylor expanded in y around 0 90.3%
associate-*r/90.5%
Simplified90.5%
associate-/l*90.3%
*-commutative90.3%
*-commutative90.3%
associate-/l*97.6%
Applied egg-rr97.6%
if -0.78000000000000003 < x < 1Initial program 99.6%
Taylor expanded in x around 0 98.1%
Final simplification97.9%
(FPCore (x y)
:precision binary64
(if (<= x -2.3)
(* x (/ (- x 3.0) (* 3.0 y)))
(if (<= x 0.405)
(+ (* -1.3333333333333333 (/ x y)) (/ 1.0 y))
(/ x (/ (* 3.0 y) (+ x 3.0))))))
double code(double x, double y) {
double tmp;
if (x <= -2.3) {
tmp = x * ((x - 3.0) / (3.0 * y));
} else if (x <= 0.405) {
tmp = (-1.3333333333333333 * (x / y)) + (1.0 / y);
} else {
tmp = x / ((3.0 * y) / (x + 3.0));
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if (x <= (-2.3d0)) then
tmp = x * ((x - 3.0d0) / (3.0d0 * y))
else if (x <= 0.405d0) then
tmp = ((-1.3333333333333333d0) * (x / y)) + (1.0d0 / y)
else
tmp = x / ((3.0d0 * y) / (x + 3.0d0))
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if (x <= -2.3) {
tmp = x * ((x - 3.0) / (3.0 * y));
} else if (x <= 0.405) {
tmp = (-1.3333333333333333 * (x / y)) + (1.0 / y);
} else {
tmp = x / ((3.0 * y) / (x + 3.0));
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -2.3: tmp = x * ((x - 3.0) / (3.0 * y)) elif x <= 0.405: tmp = (-1.3333333333333333 * (x / y)) + (1.0 / y) else: tmp = x / ((3.0 * y) / (x + 3.0)) return tmp
function code(x, y) tmp = 0.0 if (x <= -2.3) tmp = Float64(x * Float64(Float64(x - 3.0) / Float64(3.0 * y))); elseif (x <= 0.405) tmp = Float64(Float64(-1.3333333333333333 * Float64(x / y)) + Float64(1.0 / y)); else tmp = Float64(x / Float64(Float64(3.0 * y) / Float64(x + 3.0))); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (x <= -2.3) tmp = x * ((x - 3.0) / (3.0 * y)); elseif (x <= 0.405) tmp = (-1.3333333333333333 * (x / y)) + (1.0 / y); else tmp = x / ((3.0 * y) / (x + 3.0)); end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -2.3], N[(x * N[(N[(x - 3.0), $MachinePrecision] / N[(3.0 * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[x, 0.405], N[(N[(-1.3333333333333333 * N[(x / y), $MachinePrecision]), $MachinePrecision] + N[(1.0 / y), $MachinePrecision]), $MachinePrecision], N[(x / N[(N[(3.0 * y), $MachinePrecision] / N[(x + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.3:\\
\;\;\;\;x \cdot \frac{x - 3}{3 \cdot y}\\
\mathbf{elif}\;x \leq 0.405:\\
\;\;\;\;-1.3333333333333333 \cdot \frac{x}{y} + \frac{1}{y}\\
\mathbf{else}:\\
\;\;\;\;\frac{x}{\frac{3 \cdot y}{x + 3}}\\
\end{array}
\end{array}
if x < -2.2999999999999998Initial program 87.8%
associate-/l*99.8%
*-commutative99.8%
Simplified99.8%
Taylor expanded in x around inf 97.6%
neg-mul-197.6%
Simplified97.6%
if -2.2999999999999998 < x < 0.40500000000000003Initial program 99.6%
Taylor expanded in x around 0 99.3%
if 0.40500000000000003 < x Initial program 96.7%
associate-/l*99.6%
*-commutative99.6%
Simplified99.6%
Taylor expanded in x around inf 97.7%
neg-mul-197.7%
Simplified97.7%
clear-num97.8%
un-div-inv97.9%
add-sqr-sqrt0.0%
sqrt-unprod0.7%
sqr-neg0.7%
sqrt-unprod0.7%
add-sqr-sqrt0.7%
*-commutative0.7%
sub-neg0.7%
add-sqr-sqrt0.0%
sqrt-unprod94.6%
sqr-neg94.6%
sqrt-unprod97.5%
add-sqr-sqrt97.7%
+-commutative97.7%
Applied egg-rr97.7%
Final simplification98.6%
(FPCore (x y)
:precision binary64
(if (<= x -2.3)
(* -0.3333333333333333 (* (- 3.0 x) (/ x y)))
(if (<= x 0.405)
(+ (* -1.3333333333333333 (/ x y)) (/ 1.0 y))
(/ x (/ (* 3.0 y) (+ x 3.0))))))
double code(double x, double y) {
double tmp;
if (x <= -2.3) {
tmp = -0.3333333333333333 * ((3.0 - x) * (x / y));
} else if (x <= 0.405) {
tmp = (-1.3333333333333333 * (x / y)) + (1.0 / y);
} else {
tmp = x / ((3.0 * y) / (x + 3.0));
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if (x <= (-2.3d0)) then
tmp = (-0.3333333333333333d0) * ((3.0d0 - x) * (x / y))
else if (x <= 0.405d0) then
tmp = ((-1.3333333333333333d0) * (x / y)) + (1.0d0 / y)
else
tmp = x / ((3.0d0 * y) / (x + 3.0d0))
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if (x <= -2.3) {
tmp = -0.3333333333333333 * ((3.0 - x) * (x / y));
} else if (x <= 0.405) {
tmp = (-1.3333333333333333 * (x / y)) + (1.0 / y);
} else {
tmp = x / ((3.0 * y) / (x + 3.0));
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -2.3: tmp = -0.3333333333333333 * ((3.0 - x) * (x / y)) elif x <= 0.405: tmp = (-1.3333333333333333 * (x / y)) + (1.0 / y) else: tmp = x / ((3.0 * y) / (x + 3.0)) return tmp
function code(x, y) tmp = 0.0 if (x <= -2.3) tmp = Float64(-0.3333333333333333 * Float64(Float64(3.0 - x) * Float64(x / y))); elseif (x <= 0.405) tmp = Float64(Float64(-1.3333333333333333 * Float64(x / y)) + Float64(1.0 / y)); else tmp = Float64(x / Float64(Float64(3.0 * y) / Float64(x + 3.0))); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (x <= -2.3) tmp = -0.3333333333333333 * ((3.0 - x) * (x / y)); elseif (x <= 0.405) tmp = (-1.3333333333333333 * (x / y)) + (1.0 / y); else tmp = x / ((3.0 * y) / (x + 3.0)); end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -2.3], N[(-0.3333333333333333 * N[(N[(3.0 - x), $MachinePrecision] * N[(x / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[x, 0.405], N[(N[(-1.3333333333333333 * N[(x / y), $MachinePrecision]), $MachinePrecision] + N[(1.0 / y), $MachinePrecision]), $MachinePrecision], N[(x / N[(N[(3.0 * y), $MachinePrecision] / N[(x + 3.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.3:\\
\;\;\;\;-0.3333333333333333 \cdot \left(\left(3 - x\right) \cdot \frac{x}{y}\right)\\
\mathbf{elif}\;x \leq 0.405:\\
\;\;\;\;-1.3333333333333333 \cdot \frac{x}{y} + \frac{1}{y}\\
\mathbf{else}:\\
\;\;\;\;\frac{x}{\frac{3 \cdot y}{x + 3}}\\
\end{array}
\end{array}
if x < -2.2999999999999998Initial program 87.8%
associate-/l*99.8%
*-commutative99.8%
Simplified99.8%
Taylor expanded in x around inf 97.6%
neg-mul-197.6%
Simplified97.6%
Taylor expanded in y around 0 85.6%
associate-*r/85.6%
Simplified85.6%
associate-/l*85.6%
*-commutative85.6%
*-commutative85.6%
associate-/l*97.5%
Applied egg-rr97.5%
if -2.2999999999999998 < x < 0.40500000000000003Initial program 99.6%
Taylor expanded in x around 0 99.3%
if 0.40500000000000003 < x Initial program 96.7%
associate-/l*99.6%
*-commutative99.6%
Simplified99.6%
Taylor expanded in x around inf 97.7%
neg-mul-197.7%
Simplified97.7%
clear-num97.8%
un-div-inv97.9%
add-sqr-sqrt0.0%
sqrt-unprod0.7%
sqr-neg0.7%
sqrt-unprod0.7%
add-sqr-sqrt0.7%
*-commutative0.7%
sub-neg0.7%
add-sqr-sqrt0.0%
sqrt-unprod94.6%
sqr-neg94.6%
sqrt-unprod97.5%
add-sqr-sqrt97.7%
+-commutative97.7%
Applied egg-rr97.7%
Final simplification98.5%
(FPCore (x y) :precision binary64 (if (or (<= x -1.75) (not (<= x 0.58))) (* x (* x (- (/ -0.3333333333333333 y)))) (/ 1.0 y)))
double code(double x, double y) {
double tmp;
if ((x <= -1.75) || !(x <= 0.58)) {
tmp = x * (x * -(-0.3333333333333333 / y));
} else {
tmp = 1.0 / y;
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if ((x <= (-1.75d0)) .or. (.not. (x <= 0.58d0))) then
tmp = x * (x * -((-0.3333333333333333d0) / y))
else
tmp = 1.0d0 / y
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if ((x <= -1.75) || !(x <= 0.58)) {
tmp = x * (x * -(-0.3333333333333333 / y));
} else {
tmp = 1.0 / y;
}
return tmp;
}
def code(x, y): tmp = 0 if (x <= -1.75) or not (x <= 0.58): tmp = x * (x * -(-0.3333333333333333 / y)) else: tmp = 1.0 / y return tmp
function code(x, y) tmp = 0.0 if ((x <= -1.75) || !(x <= 0.58)) tmp = Float64(x * Float64(x * Float64(-Float64(-0.3333333333333333 / y)))); else tmp = Float64(1.0 / y); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if ((x <= -1.75) || ~((x <= 0.58))) tmp = x * (x * -(-0.3333333333333333 / y)); else tmp = 1.0 / y; end tmp_2 = tmp; end
code[x_, y_] := If[Or[LessEqual[x, -1.75], N[Not[LessEqual[x, 0.58]], $MachinePrecision]], N[(x * N[(x * (-N[(-0.3333333333333333 / y), $MachinePrecision])), $MachinePrecision]), $MachinePrecision], N[(1.0 / y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.75 \lor \neg \left(x \leq 0.58\right):\\
\;\;\;\;x \cdot \left(x \cdot \left(-\frac{-0.3333333333333333}{y}\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{y}\\
\end{array}
\end{array}
if x < -1.75 or 0.57999999999999996 < x Initial program 92.5%
associate-/l*99.7%
*-commutative99.7%
Simplified99.7%
Taylor expanded in x around inf 97.5%
associate-*r/97.6%
associate-*l/97.5%
*-commutative97.5%
Simplified97.5%
Taylor expanded in x around inf 97.5%
neg-mul-197.7%
Simplified97.5%
if -1.75 < x < 0.57999999999999996Initial program 99.6%
Taylor expanded in x around 0 98.1%
Final simplification97.8%
(FPCore (x y) :precision binary64 (if (<= x -1.0) (/ (- x) y) (if (<= x 0.34) (/ 1.0 y) (/ x y))))
double code(double x, double y) {
double tmp;
if (x <= -1.0) {
tmp = -x / y;
} else if (x <= 0.34) {
tmp = 1.0 / y;
} else {
tmp = x / y;
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if (x <= (-1.0d0)) then
tmp = -x / y
else if (x <= 0.34d0) then
tmp = 1.0d0 / y
else
tmp = x / y
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if (x <= -1.0) {
tmp = -x / y;
} else if (x <= 0.34) {
tmp = 1.0 / y;
} else {
tmp = x / y;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= -1.0: tmp = -x / y elif x <= 0.34: tmp = 1.0 / y else: tmp = x / y return tmp
function code(x, y) tmp = 0.0 if (x <= -1.0) tmp = Float64(Float64(-x) / y); elseif (x <= 0.34) tmp = Float64(1.0 / y); else tmp = Float64(x / y); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (x <= -1.0) tmp = -x / y; elseif (x <= 0.34) tmp = 1.0 / y; else tmp = x / y; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, -1.0], N[((-x) / y), $MachinePrecision], If[LessEqual[x, 0.34], N[(1.0 / y), $MachinePrecision], N[(x / y), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1:\\
\;\;\;\;\frac{-x}{y}\\
\mathbf{elif}\;x \leq 0.34:\\
\;\;\;\;\frac{1}{y}\\
\mathbf{else}:\\
\;\;\;\;\frac{x}{y}\\
\end{array}
\end{array}
if x < -1Initial program 87.8%
associate-/l*99.8%
*-commutative99.8%
Simplified99.8%
Taylor expanded in x around inf 97.6%
neg-mul-197.6%
Simplified97.6%
Taylor expanded in x around 0 32.7%
neg-mul-132.7%
distribute-neg-frac232.7%
Simplified32.7%
if -1 < x < 0.340000000000000024Initial program 99.6%
Taylor expanded in x around 0 98.1%
if 0.340000000000000024 < x Initial program 96.7%
associate-/l*99.6%
*-commutative99.6%
Simplified99.6%
Taylor expanded in x around inf 97.7%
neg-mul-197.7%
Simplified97.7%
associate-*r/94.8%
associate-/r*94.8%
sub-neg94.8%
distribute-rgt-in94.8%
add-sqr-sqrt0.0%
sqrt-unprod94.6%
sqr-neg94.6%
sqrt-unprod94.6%
add-sqr-sqrt94.6%
sqr-neg94.6%
+-commutative94.6%
distribute-rgt-out94.6%
Applied egg-rr94.6%
Taylor expanded in x around 0 25.6%
Final simplification67.6%
(FPCore (x y) :precision binary64 (* (- 1.0 x) (* (+ x -3.0) (/ -0.3333333333333333 y))))
double code(double x, double y) {
return (1.0 - x) * ((x + -3.0) * (-0.3333333333333333 / y));
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = (1.0d0 - x) * ((x + (-3.0d0)) * ((-0.3333333333333333d0) / y))
end function
public static double code(double x, double y) {
return (1.0 - x) * ((x + -3.0) * (-0.3333333333333333 / y));
}
def code(x, y): return (1.0 - x) * ((x + -3.0) * (-0.3333333333333333 / y))
function code(x, y) return Float64(Float64(1.0 - x) * Float64(Float64(x + -3.0) * Float64(-0.3333333333333333 / y))) end
function tmp = code(x, y) tmp = (1.0 - x) * ((x + -3.0) * (-0.3333333333333333 / y)); end
code[x_, y_] := N[(N[(1.0 - x), $MachinePrecision] * N[(N[(x + -3.0), $MachinePrecision] * N[(-0.3333333333333333 / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(1 - x\right) \cdot \left(\left(x + -3\right) \cdot \frac{-0.3333333333333333}{y}\right)
\end{array}
Initial program 96.5%
associate-/l*99.6%
*-rgt-identity99.6%
remove-double-neg99.6%
distribute-lft-neg-out99.6%
neg-mul-199.6%
times-frac99.5%
*-rgt-identity99.5%
associate-/l*99.5%
metadata-eval99.5%
*-commutative99.5%
sub-neg99.5%
+-commutative99.5%
distribute-lft-in99.5%
neg-mul-199.5%
remove-double-neg99.5%
metadata-eval99.5%
distribute-lft-neg-out99.5%
*-commutative99.5%
distribute-lft-neg-in99.5%
associate-/r*99.5%
metadata-eval99.5%
metadata-eval99.5%
Simplified99.5%
(FPCore (x y) :precision binary64 (if (<= x 0.34) (/ 1.0 y) (/ x y)))
double code(double x, double y) {
double tmp;
if (x <= 0.34) {
tmp = 1.0 / y;
} else {
tmp = x / y;
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if (x <= 0.34d0) then
tmp = 1.0d0 / y
else
tmp = x / y
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if (x <= 0.34) {
tmp = 1.0 / y;
} else {
tmp = x / y;
}
return tmp;
}
def code(x, y): tmp = 0 if x <= 0.34: tmp = 1.0 / y else: tmp = x / y return tmp
function code(x, y) tmp = 0.0 if (x <= 0.34) tmp = Float64(1.0 / y); else tmp = Float64(x / y); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (x <= 0.34) tmp = 1.0 / y; else tmp = x / y; end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, 0.34], N[(1.0 / y), $MachinePrecision], N[(x / y), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq 0.34:\\
\;\;\;\;\frac{1}{y}\\
\mathbf{else}:\\
\;\;\;\;\frac{x}{y}\\
\end{array}
\end{array}
if x < 0.340000000000000024Initial program 96.4%
Taylor expanded in x around 0 72.8%
if 0.340000000000000024 < x Initial program 96.7%
associate-/l*99.6%
*-commutative99.6%
Simplified99.6%
Taylor expanded in x around inf 97.7%
neg-mul-197.7%
Simplified97.7%
associate-*r/94.8%
associate-/r*94.8%
sub-neg94.8%
distribute-rgt-in94.8%
add-sqr-sqrt0.0%
sqrt-unprod94.6%
sqr-neg94.6%
sqrt-unprod94.6%
add-sqr-sqrt94.6%
sqr-neg94.6%
+-commutative94.6%
distribute-rgt-out94.6%
Applied egg-rr94.6%
Taylor expanded in x around 0 25.6%
(FPCore (x y) :precision binary64 (/ 1.0 y))
double code(double x, double y) {
return 1.0 / y;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 1.0d0 / y
end function
public static double code(double x, double y) {
return 1.0 / y;
}
def code(x, y): return 1.0 / y
function code(x, y) return Float64(1.0 / y) end
function tmp = code(x, y) tmp = 1.0 / y; end
code[x_, y_] := N[(1.0 / y), $MachinePrecision]
\begin{array}{l}
\\
\frac{1}{y}
\end{array}
Initial program 96.5%
Taylor expanded in x around 0 56.9%
(FPCore (x y) :precision binary64 (* (/ (- 1.0 x) y) (/ (- 3.0 x) 3.0)))
double code(double x, double y) {
return ((1.0 - x) / y) * ((3.0 - x) / 3.0);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = ((1.0d0 - x) / y) * ((3.0d0 - x) / 3.0d0)
end function
public static double code(double x, double y) {
return ((1.0 - x) / y) * ((3.0 - x) / 3.0);
}
def code(x, y): return ((1.0 - x) / y) * ((3.0 - x) / 3.0)
function code(x, y) return Float64(Float64(Float64(1.0 - x) / y) * Float64(Float64(3.0 - x) / 3.0)) end
function tmp = code(x, y) tmp = ((1.0 - x) / y) * ((3.0 - x) / 3.0); end
code[x_, y_] := N[(N[(N[(1.0 - x), $MachinePrecision] / y), $MachinePrecision] * N[(N[(3.0 - x), $MachinePrecision] / 3.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1 - x}{y} \cdot \frac{3 - x}{3}
\end{array}
herbie shell --seed 2024111
(FPCore (x y)
:name "Diagrams.TwoD.Arc:bezierFromSweepQ1 from diagrams-lib-1.3.0.3"
:precision binary64
:alt
(* (/ (- 1.0 x) y) (/ (- 3.0 x) 3.0))
(/ (* (- 1.0 x) (- 3.0 x)) (* y 3.0)))